descansar
intransitive verb
1 (reposar) to rest; have a rest
siéntate aquí y descansa sit down here and have a rest; sit down here and rest; paramos en un bar a o para descansar we stopped at a bar for a rest o to have a rest; necesito descansar para despejarme I need (to have) a rest to clear my head; no descansé en todo el día I didn't have a moment's rest all day; nadé diez largos sin descansar I swam ten lengths without a rest o break; no descansará hasta conseguir que dimita el presidente he will not rest until he gets the president to resign
va al campo a descansar de las preocupaciones she goes to the country to get away from o get a break from her worries
2 (dormir)
a medianoche, se retiraron a descansar at midnight they retired (to bed); ¡hasta mañana! ¡que descanses! see you in the morning! sleep well!
3
descansar sobre algo [+cúpula, tejado] to be supported by sth; rest on sth; [+argumento, tesis] to be based on sth